Finding the Third Proportional to 3,219,756 and 4,357,242

Step by Step Solution

1. Step 1: Write the proportion equation
   3,219,756 : 4,357,242 = 4,357,242 : x
2. Step 2: Convert to fraction form
   3,219,756/4,357,242 = 4,357,242/x
3. Step 3: Cross multiply
   3,219,756x = 4,357,242 × 4,357,242
4. Step 4: Simplify right side
   3,219,756x = 18,985,557,846,564
5. Step 5: Solve for x
   x = 18,985,557,846,564/3,219,756
6. Step 6: Final answer
   x = 5,896,582.80